The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 08, 2020
Filed:
May. 18, 2016
Saft, Bagnolet, FR;
SAFT, Bagnolet, FR;
Abstract
A composition of active material for a positive electrode of a lithium-ion electrochemical cell is provided comprising: (a) a lithiated oxide of formula LiMOin which: 0≤x≤0.15, M designates NiMnCoM'where a>0; b>0; c>0; d≥0 and a+b+c+d=1; M′ being chosen from B, Mg, Al, Si, Ca, Ti, V, Cr, Fe, Cu, Zn, Y, Zr, Nb, Mo or a mixture of these; (b) a lithiated phosphate of formula LiMnM″POwhere M″ represents at least one element chosen from the group consisting of Fe, Ni, Co, Mg and Zn; and 0<y<0.5; the particle size distribution of the lithiated oxide being characterized by a first volume median diameter of the particles Dv≥500 nm; the particle size distribution of the lithiated phosphate being characterized by a second volume median diameter of the particles Dv≥500 nm; and Dv/Dv≥1.5.